如下log是从我openwrt构建工具执行 pack打包命令看到一些分区信息 但是有些地方不太明白

show "sys_partition_for_dragon.fex" message

---

[mbr]

mbr_size : 252 Kbyte

---

partition_name : boot-resource

partition_size : 8064

downloadfile : boot-resource.fex

boot-resource.fex size : 3.0M byte

---

partition_name : env

partition_size : 504

downloadfile : env.fex

env.fex size : 128K byte

---

partition_name : env-redund

partition_size : 504

downloadfile : env.fex

env.fex size : 128K byte

---

partition_name : boot

partition_size : 20664

downloadfile : boot.fex

boot.fex -> /home/book/tina-d1-open/out/d1-nezha/boot.img

boot.img size : 9.1M byte

---

partition_name : rootfs

partition_size : 40824

downloadfile : rootfs.fex

rootfs.fex -> /home/book/tina-d1-open/out/d1-nezha/rootfs.img

rootfs.img size : 16M byte

---

partition_name : dsp0

partition_size : 1008

downloadfile : dsp0.fex

dsp0.fex size : 258K byte

---

partition_name : recovery

partition_size : 28224